World Health Organization & World Health Organization. (1985). Guidelines for drinking-water quality (2nd ed.). World Health Organization.
Chicago-referens (17:e uppl.)World Health Organization och World Health Organization. Guidelines for Drinking-water Quality. 2nd ed. Geneva: World Health Organization, 1985.
MLA-referens (8:e uppl.)World Health Organization och World Health Organization. Guidelines for Drinking-water Quality. 2nd ed. World Health Organization, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.